Data & CSV Tools — Online Tool Store

Column Statistics Comparator

Quick, free Column Statistics Comparator in your browser

CSV Header Renamer

Quick, free CSV Header Renamer in your browser

CSV Type Detector

Quick, free CSV Type Detector in your browser

Data Profiling Report Generator

Quick, free Data Profiling Report Generator in your browser

Duplicate Column Detector

Catch duplicate and near-duplicate CSV columns

Helm Chart Values Explainer

Quick, free Helm Chart Values Explainer in your browser

Long to Wide Format Converter

Quick, free Long to Wide Format Converter in your browser

Multi-CSV Column Comparator

Quick, free Multi-CSV Column Comparator in your browser

Personal SWOT Analysis Builder

Quick, free Personal SWOT Analysis Builder in your browser

Woodturning Speed Chart

Quick, free Woodturning Speed Chart in your browser

Random Data Shuffler

Randomize row order for experiments

Phone Number Formatter

Standardize phone formats in bulk

CSV Filter Tool

Filter CSV rows with simple conditions

CSV Editor

Edit CSV data in a clean spreadsheet grid

Chart Maker

Paste data, get a bar, line, or pie chart

CSV Statistics

Instant min/max/mean/nulls per column

CSV Viewer

Open large CSVs fast with sorting and search

Word Cloud Generator

Turn text into weighted word clouds

Data Sampler

Pull a random, first-N, or systematic sample from CSV data

CSV Column Reorderer

Reorder or drop CSV columns without a spreadsheet

Quick Graph Plotter

Instant line or bar chart from pasted label,value data

Data Anonymizer

Mask, hash, or remove sensitive CSV columns

CSV Merger

Merge CSV files with matching headers into one download

CSV Validator

Detect malformed rows and encoding issues

Table Screenshot Maker

Style data tables as shareable images

Frequency Table Maker

Count occurrences with cumulative totals & CSV export

Sample Size Calculator

Plan survey and experiment sample sizes

Running Total Calculator

Running total calculator for pasted number lists

CSV Sorter

Sort CSV data by any column

Date Format Standardizer

Normalize mixed date formats in bulk

A/B Test Significance Calculator

Check if your A/B test results are significant

Linear Regression Tool

Fit a trendline and predict values

CSV Delimiter Changer

Switch CSV separators instantly

CSV Deduplicator

Column Concatenator

Histogram Maker

Visualize distributions from pasted numbers

Number List Summer

Sum, average and count pasted numbers

CSV Column Extractor

Pick and reorder columns, with the delimiter detected properly

Column Splitter

Split one column into several, without losing the remainder

CSV Splitter

Split huge CSVs into smaller files

Pivot Table Maker

Drag-and-drop pivot analysis on CSV data

JSON Table Viewer

Browse JSON arrays as sortable tables

Cross Tab Builder

Two-way frequency tables from CSV

VLOOKUP Tool

VLOOKUP tool to match and enrich CSV rows by key

CSV Row Numberer

Add a sequential number column to a CSV

Cohort Analysis Builder

Build a retention cohort table from signups

Treemap Maker

Create proportional treemap charts from labelled values

Bar Race Chart Maker

Create an animated bar chart race from CSV data

CSV Computed Column

Add a calculated column to a CSV

Time Series Resampler

Change the interval of time series data

Likert Chart Maker

Chart survey agreement responses

Waterfall Chart Maker

Show how a total is built up or broken down

CSV Encoding Fixer

Fix mojibake and broken CSV encoding

Data Quality Scorecard

Score a CSV for missing values and issues

Survey Response Analyzer

Summarize survey CSV exports by question

Heatmap Maker

Turn a CSV grid into a color heatmap

Nightingale Rose Chart Generator

Build polar-area (coxcomb) charts from data

Data Dictionary Generator

Auto-document dataset columns and types

Funnel Analysis Builder

Visualize conversion drop-off across funnel stages

CSV Number Cleaner

Normalize numeric columns quickly

Gauge Chart Maker

Build simple dial-style charts

CSV to Fixed Width

Convert CSV rows into fixed-width text columns

Sankey Diagram Maker

Build a Sankey flow diagram from source-target-value rows

Candlestick Chart Maker

Plot OHLC price data as a candlestick chart

CSV Header Aligner

Match CSV columns with headers

Spreadsheet Duplication Finder

Spot repeated rows and values

Table Row Deduplicator

Remove duplicate table rows

Column Type Inferencer

Guess column data types quickly

Record Matching Assistant

Compare records for likely matches

Address Normalizer

Format addresses consistently

Name Format Cleaner

Standardize person-name formatting

Phone Number Validator

Check phone formats quickly

Date Format Normalizer

Standardize date strings

Radar Chart Maker

Plot multi-variable data on a radar/spider chart

Venn Diagram Maker

Create and label Venn diagrams from sets

JSON Array to CSV Rows

Convert a JSON array of objects into quoted CSV rows

CSV Cell Formula Evaluator

Apply simple formulas like SUM or AVG to CSV column selections

CSV Null Value Standardizer

Normalize inconsistent null representations like NA, N/A, blank

CSV to Parquet Preview

Preview how your CSV would map to Parquet columns

Box Plot Generator

Build a five-number summary chart

Missing Value Report

Summarize blanks in CSV data

RFM Segmentation Tool

Score customers by RFM bands

Bubble Chart Maker

Plot three-value comparisons

Multi-Sheet CSV Exporter

Split CSV data into sheet exports

CSV to Markdown Frontmatter

Turn CSV rows into YAML frontmatter blocks

CSV to Chart-Ready JSON

Convert CSV rows into a JSON shape ready for charting libraries

Data Type Coercion Report

Spot mixed data types in a CSV column before import